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Imported from ../bash-2.05a.tar.gz.

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This commit is contained in:
Jari Aalto 2001-11-13 17:56:06 +00:00
commit f73dda092b
303 changed files with 37069 additions and 28812 deletions
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53
lib/sh/strtrans.c
View file

@ -26,9 +26,9 @@
# include <unistd.h>
#endif
#include "bashansi.h"
#include <bashansi.h>
#include <stdio.h>
#include <ctype.h>
#include <chartypes.h>
#include "shell.h"
@ -37,21 +37,6 @@
#endif
#define ESC '\033' /* ASCII */
#ifndef ISOCTAL
#define ISOCTAL(c) ((c) >= '0' && (c) <= '7')
#endif
#ifndef OCTVALUE
#define OCTVALUE(c) ((c) - '0')
#endif
#ifndef isxdigit
# define isxdigit(c) (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
#endif
#define HEXVALUE(c) \
((c) >= 'a' && (c) <= 'f' ? (c)-'a'+10 : (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
/* Convert STRING by expanding the escape sequences specified by the
ANSI C standard. If SAWC is non-null, recognize `\c' and use that
as a string terminator. If we see \c, set *SAWC to 1 before
@ -70,7 +55,7 @@ ansicstr (string, len, for_echo, sawc, rlen)
if (string == 0 || *string == '\0')
return ((char *)NULL);
ret = xmalloc (len + 1);
ret = (char *)xmalloc (len + 1);
for (r = ret, s = string; s && *s; )
{
c = *s++;
@ -98,16 +83,18 @@ ansicstr (string, len, for_echo, sawc, rlen)
case '4': case '5': case '6': case '7':
for (temp = 2, c -= '0'; ISOCTAL (*s) && temp--; s++)
c = (c * 8) + OCTVALUE (*s);
c &= 0xFF;
break;
case 'x': /* Hex digit -- non-ANSI */
for (temp = 3, c = 0; isxdigit (*s) && temp--; s++)
for (temp = 2, c = 0; ISXDIGIT ((unsigned char)*s) && temp--; s++)
c = (c * 16) + HEXVALUE (*s);
/* \x followed by non-hex digits is passed through unchanged */
if (temp == 3)
if (temp == 2)
{
*r++ = '\\';
c = 'x';
}
c &= 0xFF;
break;
case '\\':
break;
@ -143,21 +130,22 @@ ansic_quote (str, flags, rlen)
int flags, *rlen;
{
char *r, *ret, *s, obuf[8];
int l, c, rsize, t;
int l, rsize, t;
unsigned char c;
if (str == 0 || *str == 0)
return ((char *)0);
l = strlen (str);
rsize = 2 * l + 4;
r = ret = xmalloc (rsize);
r = ret = (char *)xmalloc (rsize);
*r++ = '$';
*r++ = '\'';
for (s = str, l = 0; *s; s++)
{
c = *(unsigned char *)s;
c = *s;
l = 1; /* 1 == add backslash; 0 == no backslash */
switch (c)
{
@ -179,7 +167,7 @@ ansic_quote (str, flags, rlen)
case '\'':
break;
default:
if (isprint (c) == 0)
if (ISPRINT (c) == 0)
{
sprintf (obuf, "\\%.3o", c);
t = r - ret;
@ -203,3 +191,20 @@ ansic_quote (str, flags, rlen)
*rlen = r - ret;
return ret;
}
/* return 1 if we need to quote with $'...' because of non-printing chars. */
ansic_shouldquote (string)
const char *string;
{
const char *s;
unsigned char c;
if (string == 0)
return 0;
for (s = string; c = *s; s++)
if (ISPRINT (c) == 0)
return 1;
return 0;
}